package club.laowang.chain;


import club.laowang.chain.validation.Validator;

public class Main {
    public static void main(String[] args) throws Exception {
        User user = new User("tome", 5);
        Validator validator = new Validator();
        validator.validate(user);
        StringBuilder stringBuilder = new StringBuilder();
        StringBuffer stringBuffer = new StringBuffer();
    }
}
